Senior Slow Motion U Bill Evans inevitable success popularity Slow Motion January 1987 Model Aviation would lead development larger Slow Motion Senior Some time ago Bill Winter has endless thoughts about new models mostly lightweight tail-draggers made mistake telling would like fly Simitar took challenge realizing requirements lightweight ultra-slowflying tail-dragger variant would almost impossible produce After several letters phone calls almost total agree ment issue first Slow Motions took shape Bill Though Winter pushed design Slow Motion has readers magazine responsible push make Senior reality inquiries about larger 60-size Sb Mo four-stroke9 Astro electric 40 60 Okay did Senior Slow Motion has 64-inch span weighs nearly seven pounds Wing area 840 square inches results wing loading under 20 ounces per square foot first Senior powered OS 90 plenty power 120 vertical outstanding Others have powered K&B 61 new K&B 65 Sportster Airworthiness Slow Motion perhaps best explained excerpt Bill Winter letter Something extraordinary happened yesterday hasten share know have ill fly very little flying shaky tentative Ive come depend big slow-flying monsters relatively low power Ive getting ground-shy biggies begun have approach difficulties Yesterday skilled flier named Bernie Steucker picked up quite windy choppy very turbulent near ground field small stand trees along side approach obstacles short trees bushes fence has come over fence get Within 300 feet other side woods wind almost always 900 across runway flew ships gusts eddies threw up tip other made jump dance heavy control corrections constant unpleasant scary crap shoot getting back onto ground being rolled up ball Steucker old Slow Motion him still original 19 asked twice fly first time sort dashed around no problems rather enjoyed felt nothing particular except some kind surprisea tinge second time experience lifetime learned something exciting can say saw light know some airplanes require pretty constant stick work through high-speed turns turns look smooth became aware feel level unpleasantness because making separate necessary inputs three axes sense disappears because machine what call solid Solid planes scarce hens teeth suddenly feel ship precisely tuned stickwhich feels single stickand airplane slaves smoothly instantly stick movement however minute October 1993 17 Senior ready go conventional-looking models Simitar series yet will fly patternand few other maneuvers fascinating feeling because become airplanetransported seems extension ones self Well Steucker muttered no can fly smoothly decently such choppy wind throttled down trimmed handed off nearly full power probably 70 80 mph max trimmed flat suddenly felt supremely confident totally charge did stuff havent done 25 years thing bores through wind does change speed throughout consecutive loops does slow up relax elevator top stays nearly inverted stringlike precision length area first time Steucker asked knew inverted laughed Others cried hey upside down got yelling give up take higher just kept going thought bought farm just went arcing off smooth curves plane follows its flight path remarkable thing barely understand few minutes [then] 76-year-old man doesnt see well shouldnt things flying better time life better could fly pattern What sensed vividly really well-coordinated design properly trimmed used imposes its will pilot Can believe Sticks blend stick plane blend mind what essence soul airplane know always say build tail Tails arent necessary Well notnot type machine Today am thinking want fly have fun have struggle question build anything else fight feeling after what did yesterday could have admit itI saw light wonder however ever again life will fly anything like under such conditions uncompromised success old Slow Motion easiest airplane have ever flown. Since dont get out often find wind grounds two out three trips big slow jobs slightly larger Sb Mo wise choice since both have soared Sb Mos ask myself what am doing making another Old-Timer Construction Foam cores Senior Slow Motion available Soaring Research 454 Wildrose Lane Bishop CA 93514 Price $20 cores /64 plywood sheeting $18 shipping $7 California residents add sales tax following construction sequence will allow use time best advantage Use aliphatic resin glue pins attach /s leading edge ling edges wing cores careful warp cores Set aside cradles put some weights top hold cores flat Cut fuselage parts making sure clamp wing plate former drilling holes hold-down dowels Draw centerline fuselage top piece mark location firewall former also mark location 18 Model Aviation Stanneck Bishop California John Ludwig Bishop California Bill Thompson Modesto California early prototype version Senior K&B 60-powered Senior roam wing powers Senior 05 90 Design powered K&B 40 cores availablesee text details can handle wide engine range K&B Sportster installationa gooa choice tor senior Wide speed range model will suit pilot Mounting detail 05 engine Note orientation needle valve choke arms visible just below muffler Elevon servo position using electronic mixer transmitter receiver Model very directional 7-LU7. aLU 0 1 11 ________A LU LU - -N N LU 1October 1993 19 Full Size Plans Available-See Page 144 IhOAChAamECtA HotHo Ho HAHO HALT F 1/rmn50I 0u=L,-,A -zz II NI I /I \ LAS ASAWAK 9ENIOILt1QIOTION ATMAAS firewall former inside fuselage side Start re aft edge firewall pin down fuselage top following curve shown plans Pin down second re top use centerline measure match curve first longeron Use cyanoacrylate CyA glue attach both square longerons fuselage top run glue inside edge Pin left fuselage side top longeron set firewall former square CyA side firewall former assembly Pin right side place check squareness aft end clamp pin CyA side assembly Install cowl cheeks bottom longeronssand flush install front bottom rear bottom fuselage pieces Final-sand cover fuselage cut attach hatch install engine mount servos radio etc Fuselage construction now complete Cut sand fin rudder shape Epoxy fin fuselage use Evans X-Hinge attach rudder fin fuselage Trim sand leading trailing edges flush cores sheeting will fit nicely over Attach sheeting cores used corefilm Glue pin /s leading edge cap set aside dry Sand leading edge shapekeep top steep bottom fairly flat Install tip plates Use 5-minute epoxy join wing panels place piece two-inch masking tape upside-down workbench put panels epoxy down tape pull tape around joint block up tips dihedral pin let epoxy set Continued page 21 Type RC Sport Wingspan 64 inches Recommended motor size/type 60 two-stroke 90120 four-stroke geared 40-60 Electric Number Channels Three Expected Flying weight Approx 7 lbs Construction Foam-core wing plywood skin sheet balasa fuselage rudder 20 Model Aviation ove Joe Price Peotone IL Astre 40-powered Electric Senior Right Hatch has removed battery access Sr Slow MotionlEvans Continued page 20 Trim sand elevons shape fit attach wing again used X Hinge seals gaps goes easy lasts forever Set wing place fuselage mark cut ood mounting plate Use epoxy install Add holddown blocks drill tap 10-32 nylon boltsInstall elevon servos Remember rig elevons about 1/ inch up trim neutral provide necessary reflex Simitar series Throws quarter inch up down left right adequate Right performance Typical Simitar series no stall wide speed range again very directional half power less its docile anyone can handle fly full power will pattern some maneuvers arent book model handles like other superior performance Come join Siniltar pilots fly 21st century tylShaw Continued page 6 members packed up gone home leaving myself other flier field Luckily wife daughter also elected take emergency room friend packed up stuff brought home planes suffered minor mishap wind blew off table broke needle valve flush housing After few expletives put up got Anniversary Cub out fueled up took off trying show friend low slow would fly caught wheels grass stuck nose ground breaking cowling bazillion pieces van went About now something should have told time give up go home Did Naw Like sd stuff happens other guy Okay last chance out comes Bridi Trainer Ha Ha Trainer foot thing rocket will 2765 rolls second Well okay maybe 1765 will lomcevak faster aerobatic airplanes rate very light fast maneuverable airplane equipped Webra 40 Schnuerle engine 10 x 6 propeller responds instantly engines commands bad habits Ive developed over years sitting down front airplane start Another messing radio sitting Yet another waiting someone assist holding moving airplane after its running Quite list dumb habits aint Well get meat pun incident sitting front plane started engine removed gb-plug battery moving radio off side could get up take airplane runway Something still dont know what hit throttle control moving full position plane did exactly what told went wide open jumping foot half distance between us about half instant remember ugly sound propellers make chew up fingers blender effect Fortunately engine died didnt get anything else eat grabbed clean rag wrapped hand afraid look see anything left now completely numb hand What damages lost end thumb whole left side index finger tip first knuckle cut right side same finger went bone chipped end middle finger went away ring finger cut diagonally through nail nail bed left side doctor took some skin meat just above elbow rebuild index middle fingers sewed other fingers back together Right now look like have hand full marshmallows what bandages tape So say what have learned Well picked up several things 1Never start airplane some means restraining airplaneeither person hold some sort mechanical restraint 2Never sit down front running engine 3Never never fly model airplanes yourself Always have someone go 4Always use plastic carbon fiber glass- filled nylon propellers dull edges rebalance As come factory will cut like very sharp knives am sure other things should brought out about safe model operation now should keep having pay another visit emergency room time soon As James pointed out its unfortunate modelers continue injure themselves ways preventable mail receive month two letters something went prop stories continue hold lead Folks know props dangerous however injuries plentiful complacency continues abound Whats solution Can injuries reduced Sure know can truly try us actively concerned modeler part practice safety approach Offer helping hand needed influence around teaching sound safety practices fingers save may own Sun spots have no doubt us familiar what happens vision after weve accidentally stared sun moment aircraft flies through havent pleasure can best described initially painful sensation followed bright dots remaining center field vision brief period time Since forward vision can temporarily blocked sun spots real potential aircraft demise exists unless fellow niodeler available temporarily take controls avoid problem clubs try find fields allow positioning runway sun fliers back sunrise sunset Normally would think having sun back would open sky full day flying opportunities Kevin Cassidy Northport New York benefit proved become interesting liability Kevin writes want alert model fliers subtle dangerous phenomenon can occur think well protected during lengthy period flying recently treated best RC flying weekend weather periods memory sky crystal-clear blue cloudless virtually no glare since humidity low Cool temperatures light breeze made two days absolutely perfect time test winter-built projects plus yank bank old favorites spent hours field flying site situated such can keep sun behind us times benefit has interesting liability Throughout day fliers subconsciously become sort negative solar collector keeping sun behind generally constant angle Thats comfortable eyes course prescription sunglasses quite dense always thought eyes well protected looking skyward however end day left eye hurt terribly An optics scientist has confirmed suspicion eye sunburned sunlight reflected eye inside surface sunglasses unknowingly held head nearly constant correct angleto capture rearward-entering rays moral story side shade attached glass frame sometimes important lenses themselves Veco Chief Flyaway months ago Id like admit received letter longtime modeler Robert Ford Long Beach California describing slight error made launching control line aircraft stooge some 40 years ago October 1993 21
Edition: Model Aviation - 1993/10
Page Numbers: 17, 18, 19, 20, 21
Senior Slow Motion U Bill Evans inevitable success popularity Slow Motion January 1987 Model Aviation would lead development larger Slow Motion Senior Some time ago Bill Winter has endless thoughts about new models mostly lightweight tail-draggers made mistake telling would like fly Simitar took challenge realizing requirements lightweight ultra-slowflying tail-dragger variant would almost impossible produce After several letters phone calls almost total agree ment issue first Slow Motions took shape Bill Though Winter pushed design Slow Motion has readers magazine responsible push make Senior reality inquiries about larger 60-size Sb Mo four-stroke9 Astro electric 40 60 Okay did Senior Slow Motion has 64-inch span weighs nearly seven pounds Wing area 840 square inches results wing loading under 20 ounces per square foot first Senior powered OS 90 plenty power 120 vertical outstanding Others have powered K&B 61 new K&B 65 Sportster Airworthiness Slow Motion perhaps best explained excerpt Bill Winter letter Something extraordinary happened yesterday hasten share know have ill fly very little flying shaky tentative Ive come depend big slow-flying monsters relatively low power Ive getting ground-shy biggies begun have approach difficulties Yesterday skilled flier named Bernie Steucker picked up quite windy choppy very turbulent near ground field small stand trees along side approach obstacles short trees bushes fence has come over fence get Within 300 feet other side woods wind almost always 900 across runway flew ships gusts eddies threw up tip other made jump dance heavy control corrections constant unpleasant scary crap shoot getting back onto ground being rolled up ball Steucker old Slow Motion him still original 19 asked twice fly first time sort dashed around no problems rather enjoyed felt nothing particular except some kind surprisea tinge second time experience lifetime learned something exciting can say saw light know some airplanes require pretty constant stick work through high-speed turns turns look smooth became aware feel level unpleasantness because making separate necessary inputs three axes sense disappears because machine what call solid Solid planes scarce hens teeth suddenly feel ship precisely tuned stickwhich feels single stickand airplane slaves smoothly instantly stick movement however minute October 1993 17 Senior ready go conventional-looking models Simitar series yet will fly patternand few other maneuvers fascinating feeling because become airplanetransported seems extension ones self Well Steucker muttered no can fly smoothly decently such choppy wind throttled down trimmed handed off nearly full power probably 70 80 mph max trimmed flat suddenly felt supremely confident totally charge did stuff havent done 25 years thing bores through wind does change speed throughout consecutive loops does slow up relax elevator top stays nearly inverted stringlike precision length area first time Steucker asked knew inverted laughed Others cried hey upside down got yelling give up take higher just kept going thought bought farm just went arcing off smooth curves plane follows its flight path remarkable thing barely understand few minutes [then] 76-year-old man doesnt see well shouldnt things flying better time life better could fly pattern What sensed vividly really well-coordinated design properly trimmed used imposes its will pilot Can believe Sticks blend stick plane blend mind what essence soul airplane know always say build tail Tails arent necessary Well notnot type machine Today am thinking want fly have fun have struggle question build anything else fight feeling after what did yesterday could have admit itI saw light wonder however ever again life will fly anything like under such conditions uncompromised success old Slow Motion easiest airplane have ever flown. Since dont get out often find wind grounds two out three trips big slow jobs slightly larger Sb Mo wise choice since both have soared Sb Mos ask myself what am doing making another Old-Timer Construction Foam cores Senior Slow Motion available Soaring Research 454 Wildrose Lane Bishop CA 93514 Price $20 cores /64 plywood sheeting $18 shipping $7 California residents add sales tax following construction sequence will allow use time best advantage Use aliphatic resin glue pins attach /s leading edge ling edges wing cores careful warp cores Set aside cradles put some weights top hold cores flat Cut fuselage parts making sure clamp wing plate former drilling holes hold-down dowels Draw centerline fuselage top piece mark location firewall former also mark location 18 Model Aviation Stanneck Bishop California John Ludwig Bishop California Bill Thompson Modesto California early prototype version Senior K&B 60-powered Senior roam wing powers Senior 05 90 Design powered K&B 40 cores availablesee text details can handle wide engine range K&B Sportster installationa gooa choice tor senior Wide speed range model will suit pilot Mounting detail 05 engine Note orientation needle valve choke arms visible just below muffler Elevon servo position using electronic mixer transmitter receiver Model very directional 7-LU7. aLU 0 1 11 ________A LU LU - -N N LU 1October 1993 19 Full Size Plans Available-See Page 144 IhOAChAamECtA HotHo Ho HAHO HALT F 1/rmn50I 0u=L,-,A -zz II NI I /I \ LAS ASAWAK 9ENIOILt1QIOTION ATMAAS firewall former inside fuselage side Start re aft edge firewall pin down fuselage top following curve shown plans Pin down second re top use centerline measure match curve first longeron Use cyanoacrylate CyA glue attach both square longerons fuselage top run glue inside edge Pin left fuselage side top longeron set firewall former square CyA side firewall former assembly Pin right side place check squareness aft end clamp pin CyA side assembly Install cowl cheeks bottom longeronssand flush install front bottom rear bottom fuselage pieces Final-sand cover fuselage cut attach hatch install engine mount servos radio etc Fuselage construction now complete Cut sand fin rudder shape Epoxy fin fuselage use Evans X-Hinge attach rudder fin fuselage Trim sand leading trailing edges flush cores sheeting will fit nicely over Attach sheeting cores used corefilm Glue pin /s leading edge cap set aside dry Sand leading edge shapekeep top steep bottom fairly flat Install tip plates Use 5-minute epoxy join wing panels place piece two-inch masking tape upside-down workbench put panels epoxy down tape pull tape around joint block up tips dihedral pin let epoxy set Continued page 21 Type RC Sport Wingspan 64 inches Recommended motor size/type 60 two-stroke 90120 four-stroke geared 40-60 Electric Number Channels Three Expected Flying weight Approx 7 lbs Construction Foam-core wing plywood skin sheet balasa fuselage rudder 20 Model Aviation ove Joe Price Peotone IL Astre 40-powered Electric Senior Right Hatch has removed battery access Sr Slow MotionlEvans Continued page 20 Trim sand elevons shape fit attach wing again used X Hinge seals gaps goes easy lasts forever Set wing place fuselage mark cut ood mounting plate Use epoxy install Add holddown blocks drill tap 10-32 nylon boltsInstall elevon servos Remember rig elevons about 1/ inch up trim neutral provide necessary reflex Simitar series Throws quarter inch up down left right adequate Right performance Typical Simitar series no stall wide speed range again very directional half power less its docile anyone can handle fly full power will pattern some maneuvers arent book model handles like other superior performance Come join Siniltar pilots fly 21st century tylShaw Continued page 6 members packed up gone home leaving myself other flier field Luckily wife daughter also elected take emergency room friend packed up stuff brought home planes suffered minor mishap wind blew off table broke needle valve flush housing After few expletives put up got Anniversary Cub out fueled up took off trying show friend low slow would fly caught wheels grass stuck nose ground breaking cowling bazillion pieces van went About now something should have told time give up go home Did Naw Like sd stuff happens other guy Okay last chance out comes Bridi Trainer Ha Ha Trainer foot thing rocket will 2765 rolls second Well okay maybe 1765 will lomcevak faster aerobatic airplanes rate very light fast maneuverable airplane equipped Webra 40 Schnuerle engine 10 x 6 propeller responds instantly engines commands bad habits Ive developed over years sitting down front airplane start Another messing radio sitting Yet another waiting someone assist holding moving airplane after its running Quite list dumb habits aint Well get meat pun incident sitting front plane started engine removed gb-plug battery moving radio off side could get up take airplane runway Something still dont know what hit throttle control moving full position plane did exactly what told went wide open jumping foot half distance between us about half instant remember ugly sound propellers make chew up fingers blender effect Fortunately engine died didnt get anything else eat grabbed clean rag wrapped hand afraid look see anything left now completely numb hand What damages lost end thumb whole left side index finger tip first knuckle cut right side same finger went bone chipped end middle finger went away ring finger cut diagonally through nail nail bed left side doctor took some skin meat just above elbow rebuild index middle fingers sewed other fingers back together Right now look like have hand full marshmallows what bandages tape So say what have learned Well picked up several things 1Never start airplane some means restraining airplaneeither person hold some sort mechanical restraint 2Never sit down front running engine 3Never never fly model airplanes yourself Always have someone go 4Always use plastic carbon fiber glass- filled nylon propellers dull edges rebalance As come factory will cut like very sharp knives am sure other things should brought out about safe model operation now should keep having pay another visit emergency room time soon As James pointed out its unfortunate modelers continue injure themselves ways preventable mail receive month two letters something went prop stories continue hold lead Folks know props dangerous however injuries plentiful complacency continues abound Whats solution Can injuries reduced Sure know can truly try us actively concerned modeler part practice safety approach Offer helping hand needed influence around teaching sound safety practices fingers save may own Sun spots have no doubt us familiar what happens vision after weve accidentally stared sun moment aircraft flies through havent pleasure can best described initially painful sensation followed bright dots remaining center field vision brief period time Since forward vision can temporarily blocked sun spots real potential aircraft demise exists unless fellow niodeler available temporarily take controls avoid problem clubs try find fields allow positioning runway sun fliers back sunrise sunset Normally would think having sun back would open sky full day flying opportunities Kevin Cassidy Northport New York benefit proved become interesting liability Kevin writes want alert model fliers subtle dangerous phenomenon can occur think well protected during lengthy period flying recently treated best RC flying weekend weather periods memory sky crystal-clear blue cloudless virtually no glare since humidity low Cool temperatures light breeze made two days absolutely perfect time test winter-built projects plus yank bank old favorites spent hours field flying site situated such can keep sun behind us times benefit has interesting liability Throughout day fliers subconsciously become sort negative solar collector keeping sun behind generally constant angle Thats comfortable eyes course prescription sunglasses quite dense always thought eyes well protected looking skyward however end day left eye hurt terribly An optics scientist has confirmed suspicion eye sunburned sunlight reflected eye inside surface sunglasses unknowingly held head nearly constant correct angleto capture rearward-entering rays moral story side shade attached glass frame sometimes important lenses themselves Veco Chief Flyaway months ago Id like admit received letter longtime modeler Robert Ford Long Beach California describing slight error made launching control line aircraft stooge some 40 years ago October 1993 21
Edition: Model Aviation - 1993/10
Page Numbers: 17, 18, 19, 20, 21
Senior Slow Motion U Bill Evans inevitable success popularity Slow Motion January 1987 Model Aviation would lead development larger Slow Motion Senior Some time ago Bill Winter has endless thoughts about new models mostly lightweight tail-draggers made mistake telling would like fly Simitar took challenge realizing requirements lightweight ultra-slowflying tail-dragger variant would almost impossible produce After several letters phone calls almost total agree ment issue first Slow Motions took shape Bill Though Winter pushed design Slow Motion has readers magazine responsible push make Senior reality inquiries about larger 60-size Sb Mo four-stroke9 Astro electric 40 60 Okay did Senior Slow Motion has 64-inch span weighs nearly seven pounds Wing area 840 square inches results wing loading under 20 ounces per square foot first Senior powered OS 90 plenty power 120 vertical outstanding Others have powered K&B 61 new K&B 65 Sportster Airworthiness Slow Motion perhaps best explained excerpt Bill Winter letter Something extraordinary happened yesterday hasten share know have ill fly very little flying shaky tentative Ive come depend big slow-flying monsters relatively low power Ive getting ground-shy biggies begun have approach difficulties Yesterday skilled flier named Bernie Steucker picked up quite windy choppy very turbulent near ground field small stand trees along side approach obstacles short trees bushes fence has come over fence get Within 300 feet other side woods wind almost always 900 across runway flew ships gusts eddies threw up tip other made jump dance heavy control corrections constant unpleasant scary crap shoot getting back onto ground being rolled up ball Steucker old Slow Motion him still original 19 asked twice fly first time sort dashed around no problems rather enjoyed felt nothing particular except some kind surprisea tinge second time experience lifetime learned something exciting can say saw light know some airplanes require pretty constant stick work through high-speed turns turns look smooth became aware feel level unpleasantness because making separate necessary inputs three axes sense disappears because machine what call solid Solid planes scarce hens teeth suddenly feel ship precisely tuned stickwhich feels single stickand airplane slaves smoothly instantly stick movement however minute October 1993 17 Senior ready go conventional-looking models Simitar series yet will fly patternand few other maneuvers fascinating feeling because become airplanetransported seems extension ones self Well Steucker muttered no can fly smoothly decently such choppy wind throttled down trimmed handed off nearly full power probably 70 80 mph max trimmed flat suddenly felt supremely confident totally charge did stuff havent done 25 years thing bores through wind does change speed throughout consecutive loops does slow up relax elevator top stays nearly inverted stringlike precision length area first time Steucker asked knew inverted laughed Others cried hey upside down got yelling give up take higher just kept going thought bought farm just went arcing off smooth curves plane follows its flight path remarkable thing barely understand few minutes [then] 76-year-old man doesnt see well shouldnt things flying better time life better could fly pattern What sensed vividly really well-coordinated design properly trimmed used imposes its will pilot Can believe Sticks blend stick plane blend mind what essence soul airplane know always say build tail Tails arent necessary Well notnot type machine Today am thinking want fly have fun have struggle question build anything else fight feeling after what did yesterday could have admit itI saw light wonder however ever again life will fly anything like under such conditions uncompromised success old Slow Motion easiest airplane have ever flown. Since dont get out often find wind grounds two out three trips big slow jobs slightly larger Sb Mo wise choice since both have soared Sb Mos ask myself what am doing making another Old-Timer Construction Foam cores Senior Slow Motion available Soaring Research 454 Wildrose Lane Bishop CA 93514 Price $20 cores /64 plywood sheeting $18 shipping $7 California residents add sales tax following construction sequence will allow use time best advantage Use aliphatic resin glue pins attach /s leading edge ling edges wing cores careful warp cores Set aside cradles put some weights top hold cores flat Cut fuselage parts making sure clamp wing plate former drilling holes hold-down dowels Draw centerline fuselage top piece mark location firewall former also mark location 18 Model Aviation Stanneck Bishop California John Ludwig Bishop California Bill Thompson Modesto California early prototype version Senior K&B 60-powered Senior roam wing powers Senior 05 90 Design powered K&B 40 cores availablesee text details can handle wide engine range K&B Sportster installationa gooa choice tor senior Wide speed range model will suit pilot Mounting detail 05 engine Note orientation needle valve choke arms visible just below muffler Elevon servo position using electronic mixer transmitter receiver Model very directional 7-LU7. aLU 0 1 11 ________A LU LU - -N N LU 1October 1993 19 Full Size Plans Available-See Page 144 IhOAChAamECtA HotHo Ho HAHO HALT F 1/rmn50I 0u=L,-,A -zz II NI I /I \ LAS ASAWAK 9ENIOILt1QIOTION ATMAAS firewall former inside fuselage side Start re aft edge firewall pin down fuselage top following curve shown plans Pin down second re top use centerline measure match curve first longeron Use cyanoacrylate CyA glue attach both square longerons fuselage top run glue inside edge Pin left fuselage side top longeron set firewall former square CyA side firewall former assembly Pin right side place check squareness aft end clamp pin CyA side assembly Install cowl cheeks bottom longeronssand flush install front bottom rear bottom fuselage pieces Final-sand cover fuselage cut attach hatch install engine mount servos radio etc Fuselage construction now complete Cut sand fin rudder shape Epoxy fin fuselage use Evans X-Hinge attach rudder fin fuselage Trim sand leading trailing edges flush cores sheeting will fit nicely over Attach sheeting cores used corefilm Glue pin /s leading edge cap set aside dry Sand leading edge shapekeep top steep bottom fairly flat Install tip plates Use 5-minute epoxy join wing panels place piece two-inch masking tape upside-down workbench put panels epoxy down tape pull tape around joint block up tips dihedral pin let epoxy set Continued page 21 Type RC Sport Wingspan 64 inches Recommended motor size/type 60 two-stroke 90120 four-stroke geared 40-60 Electric Number Channels Three Expected Flying weight Approx 7 lbs Construction Foam-core wing plywood skin sheet balasa fuselage rudder 20 Model Aviation ove Joe Price Peotone IL Astre 40-powered Electric Senior Right Hatch has removed battery access Sr Slow MotionlEvans Continued page 20 Trim sand elevons shape fit attach wing again used X Hinge seals gaps goes easy lasts forever Set wing place fuselage mark cut ood mounting plate Use epoxy install Add holddown blocks drill tap 10-32 nylon boltsInstall elevon servos Remember rig elevons about 1/ inch up trim neutral provide necessary reflex Simitar series Throws quarter inch up down left right adequate Right performance Typical Simitar series no stall wide speed range again very directional half power less its docile anyone can handle fly full power will pattern some maneuvers arent book model handles like other superior performance Come join Siniltar pilots fly 21st century tylShaw Continued page 6 members packed up gone home leaving myself other flier field Luckily wife daughter also elected take emergency room friend packed up stuff brought home planes suffered minor mishap wind blew off table broke needle valve flush housing After few expletives put up got Anniversary Cub out fueled up took off trying show friend low slow would fly caught wheels grass stuck nose ground breaking cowling bazillion pieces van went About now something should have told time give up go home Did Naw Like sd stuff happens other guy Okay last chance out comes Bridi Trainer Ha Ha Trainer foot thing rocket will 2765 rolls second Well okay maybe 1765 will lomcevak faster aerobatic airplanes rate very light fast maneuverable airplane equipped Webra 40 Schnuerle engine 10 x 6 propeller responds instantly engines commands bad habits Ive developed over years sitting down front airplane start Another messing radio sitting Yet another waiting someone assist holding moving airplane after its running Quite list dumb habits aint Well get meat pun incident sitting front plane started engine removed gb-plug battery moving radio off side could get up take airplane runway Something still dont know what hit throttle control moving full position plane did exactly what told went wide open jumping foot half distance between us about half instant remember ugly sound propellers make chew up fingers blender effect Fortunately engine died didnt get anything else eat grabbed clean rag wrapped hand afraid look see anything left now completely numb hand What damages lost end thumb whole left side index finger tip first knuckle cut right side same finger went bone chipped end middle finger went away ring finger cut diagonally through nail nail bed left side doctor took some skin meat just above elbow rebuild index middle fingers sewed other fingers back together Right now look like have hand full marshmallows what bandages tape So say what have learned Well picked up several things 1Never start airplane some means restraining airplaneeither person hold some sort mechanical restraint 2Never sit down front running engine 3Never never fly model airplanes yourself Always have someone go 4Always use plastic carbon fiber glass- filled nylon propellers dull edges rebalance As come factory will cut like very sharp knives am sure other things should brought out about safe model operation now should keep having pay another visit emergency room time soon As James pointed out its unfortunate modelers continue injure themselves ways preventable mail receive month two letters something went prop stories continue hold lead Folks know props dangerous however injuries plentiful complacency continues abound Whats solution Can injuries reduced Sure know can truly try us actively concerned modeler part practice safety approach Offer helping hand needed influence around teaching sound safety practices fingers save may own Sun spots have no doubt us familiar what happens vision after weve accidentally stared sun moment aircraft flies through havent pleasure can best described initially painful sensation followed bright dots remaining center field vision brief period time Since forward vision can temporarily blocked sun spots real potential aircraft demise exists unless fellow niodeler available temporarily take controls avoid problem clubs try find fields allow positioning runway sun fliers back sunrise sunset Normally would think having sun back would open sky full day flying opportunities Kevin Cassidy Northport New York benefit proved become interesting liability Kevin writes want alert model fliers subtle dangerous phenomenon can occur think well protected during lengthy period flying recently treated best RC flying weekend weather periods memory sky crystal-clear blue cloudless virtually no glare since humidity low Cool temperatures light breeze made two days absolutely perfect time test winter-built projects plus yank bank old favorites spent hours field flying site situated such can keep sun behind us times benefit has interesting liability Throughout day fliers subconsciously become sort negative solar collector keeping sun behind generally constant angle Thats comfortable eyes course prescription sunglasses quite dense always thought eyes well protected looking skyward however end day left eye hurt terribly An optics scientist has confirmed suspicion eye sunburned sunlight reflected eye inside surface sunglasses unknowingly held head nearly constant correct angleto capture rearward-entering rays moral story side shade attached glass frame sometimes important lenses themselves Veco Chief Flyaway months ago Id like admit received letter longtime modeler Robert Ford Long Beach California describing slight error made launching control line aircraft stooge some 40 years ago October 1993 21
Edition: Model Aviation - 1993/10
Page Numbers: 17, 18, 19, 20, 21
Senior Slow Motion U Bill Evans inevitable success popularity Slow Motion January 1987 Model Aviation would lead development larger Slow Motion Senior Some time ago Bill Winter has endless thoughts about new models mostly lightweight tail-draggers made mistake telling would like fly Simitar took challenge realizing requirements lightweight ultra-slowflying tail-dragger variant would almost impossible produce After several letters phone calls almost total agree ment issue first Slow Motions took shape Bill Though Winter pushed design Slow Motion has readers magazine responsible push make Senior reality inquiries about larger 60-size Sb Mo four-stroke9 Astro electric 40 60 Okay did Senior Slow Motion has 64-inch span weighs nearly seven pounds Wing area 840 square inches results wing loading under 20 ounces per square foot first Senior powered OS 90 plenty power 120 vertical outstanding Others have powered K&B 61 new K&B 65 Sportster Airworthiness Slow Motion perhaps best explained excerpt Bill Winter letter Something extraordinary happened yesterday hasten share know have ill fly very little flying shaky tentative Ive come depend big slow-flying monsters relatively low power Ive getting ground-shy biggies begun have approach difficulties Yesterday skilled flier named Bernie Steucker picked up quite windy choppy very turbulent near ground field small stand trees along side approach obstacles short trees bushes fence has come over fence get Within 300 feet other side woods wind almost always 900 across runway flew ships gusts eddies threw up tip other made jump dance heavy control corrections constant unpleasant scary crap shoot getting back onto ground being rolled up ball Steucker old Slow Motion him still original 19 asked twice fly first time sort dashed around no problems rather enjoyed felt nothing particular except some kind surprisea tinge second time experience lifetime learned something exciting can say saw light know some airplanes require pretty constant stick work through high-speed turns turns look smooth became aware feel level unpleasantness because making separate necessary inputs three axes sense disappears because machine what call solid Solid planes scarce hens teeth suddenly feel ship precisely tuned stickwhich feels single stickand airplane slaves smoothly instantly stick movement however minute October 1993 17 Senior ready go conventional-looking models Simitar series yet will fly patternand few other maneuvers fascinating feeling because become airplanetransported seems extension ones self Well Steucker muttered no can fly smoothly decently such choppy wind throttled down trimmed handed off nearly full power probably 70 80 mph max trimmed flat suddenly felt supremely confident totally charge did stuff havent done 25 years thing bores through wind does change speed throughout consecutive loops does slow up relax elevator top stays nearly inverted stringlike precision length area first time Steucker asked knew inverted laughed Others cried hey upside down got yelling give up take higher just kept going thought bought farm just went arcing off smooth curves plane follows its flight path remarkable thing barely understand few minutes [then] 76-year-old man doesnt see well shouldnt things flying better time life better could fly pattern What sensed vividly really well-coordinated design properly trimmed used imposes its will pilot Can believe Sticks blend stick plane blend mind what essence soul airplane know always say build tail Tails arent necessary Well notnot type machine Today am thinking want fly have fun have struggle question build anything else fight feeling after what did yesterday could have admit itI saw light wonder however ever again life will fly anything like under such conditions uncompromised success old Slow Motion easiest airplane have ever flown. Since dont get out often find wind grounds two out three trips big slow jobs slightly larger Sb Mo wise choice since both have soared Sb Mos ask myself what am doing making another Old-Timer Construction Foam cores Senior Slow Motion available Soaring Research 454 Wildrose Lane Bishop CA 93514 Price $20 cores /64 plywood sheeting $18 shipping $7 California residents add sales tax following construction sequence will allow use time best advantage Use aliphatic resin glue pins attach /s leading edge ling edges wing cores careful warp cores Set aside cradles put some weights top hold cores flat Cut fuselage parts making sure clamp wing plate former drilling holes hold-down dowels Draw centerline fuselage top piece mark location firewall former also mark location 18 Model Aviation Stanneck Bishop California John Ludwig Bishop California Bill Thompson Modesto California early prototype version Senior K&B 60-powered Senior roam wing powers Senior 05 90 Design powered K&B 40 cores availablesee text details can handle wide engine range K&B Sportster installationa gooa choice tor senior Wide speed range model will suit pilot Mounting detail 05 engine Note orientation needle valve choke arms visible just below muffler Elevon servo position using electronic mixer transmitter receiver Model very directional 7-LU7. aLU 0 1 11 ________A LU LU - -N N LU 1October 1993 19 Full Size Plans Available-See Page 144 IhOAChAamECtA HotHo Ho HAHO HALT F 1/rmn50I 0u=L,-,A -zz II NI I /I \ LAS ASAWAK 9ENIOILt1QIOTION ATMAAS firewall former inside fuselage side Start re aft edge firewall pin down fuselage top following curve shown plans Pin down second re top use centerline measure match curve first longeron Use cyanoacrylate CyA glue attach both square longerons fuselage top run glue inside edge Pin left fuselage side top longeron set firewall former square CyA side firewall former assembly Pin right side place check squareness aft end clamp pin CyA side assembly Install cowl cheeks bottom longeronssand flush install front bottom rear bottom fuselage pieces Final-sand cover fuselage cut attach hatch install engine mount servos radio etc Fuselage construction now complete Cut sand fin rudder shape Epoxy fin fuselage use Evans X-Hinge attach rudder fin fuselage Trim sand leading trailing edges flush cores sheeting will fit nicely over Attach sheeting cores used corefilm Glue pin /s leading edge cap set aside dry Sand leading edge shapekeep top steep bottom fairly flat Install tip plates Use 5-minute epoxy join wing panels place piece two-inch masking tape upside-down workbench put panels epoxy down tape pull tape around joint block up tips dihedral pin let epoxy set Continued page 21 Type RC Sport Wingspan 64 inches Recommended motor size/type 60 two-stroke 90120 four-stroke geared 40-60 Electric Number Channels Three Expected Flying weight Approx 7 lbs Construction Foam-core wing plywood skin sheet balasa fuselage rudder 20 Model Aviation ove Joe Price Peotone IL Astre 40-powered Electric Senior Right Hatch has removed battery access Sr Slow MotionlEvans Continued page 20 Trim sand elevons shape fit attach wing again used X Hinge seals gaps goes easy lasts forever Set wing place fuselage mark cut ood mounting plate Use epoxy install Add holddown blocks drill tap 10-32 nylon boltsInstall elevon servos Remember rig elevons about 1/ inch up trim neutral provide necessary reflex Simitar series Throws quarter inch up down left right adequate Right performance Typical Simitar series no stall wide speed range again very directional half power less its docile anyone can handle fly full power will pattern some maneuvers arent book model handles like other superior performance Come join Siniltar pilots fly 21st century tylShaw Continued page 6 members packed up gone home leaving myself other flier field Luckily wife daughter also elected take emergency room friend packed up stuff brought home planes suffered minor mishap wind blew off table broke needle valve flush housing After few expletives put up got Anniversary Cub out fueled up took off trying show friend low slow would fly caught wheels grass stuck nose ground breaking cowling bazillion pieces van went About now something should have told time give up go home Did Naw Like sd stuff happens other guy Okay last chance out comes Bridi Trainer Ha Ha Trainer foot thing rocket will 2765 rolls second Well okay maybe 1765 will lomcevak faster aerobatic airplanes rate very light fast maneuverable airplane equipped Webra 40 Schnuerle engine 10 x 6 propeller responds instantly engines commands bad habits Ive developed over years sitting down front airplane start Another messing radio sitting Yet another waiting someone assist holding moving airplane after its running Quite list dumb habits aint Well get meat pun incident sitting front plane started engine removed gb-plug battery moving radio off side could get up take airplane runway Something still dont know what hit throttle control moving full position plane did exactly what told went wide open jumping foot half distance between us about half instant remember ugly sound propellers make chew up fingers blender effect Fortunately engine died didnt get anything else eat grabbed clean rag wrapped hand afraid look see anything left now completely numb hand What damages lost end thumb whole left side index finger tip first knuckle cut right side same finger went bone chipped end middle finger went away ring finger cut diagonally through nail nail bed left side doctor took some skin meat just above elbow rebuild index middle fingers sewed other fingers back together Right now look like have hand full marshmallows what bandages tape So say what have learned Well picked up several things 1Never start airplane some means restraining airplaneeither person hold some sort mechanical restraint 2Never sit down front running engine 3Never never fly model airplanes yourself Always have someone go 4Always use plastic carbon fiber glass- filled nylon propellers dull edges rebalance As come factory will cut like very sharp knives am sure other things should brought out about safe model operation now should keep having pay another visit emergency room time soon As James pointed out its unfortunate modelers continue injure themselves ways preventable mail receive month two letters something went prop stories continue hold lead Folks know props dangerous however injuries plentiful complacency continues abound Whats solution Can injuries reduced Sure know can truly try us actively concerned modeler part practice safety approach Offer helping hand needed influence around teaching sound safety practices fingers save may own Sun spots have no doubt us familiar what happens vision after weve accidentally stared sun moment aircraft flies through havent pleasure can best described initially painful sensation followed bright dots remaining center field vision brief period time Since forward vision can temporarily blocked sun spots real potential aircraft demise exists unless fellow niodeler available temporarily take controls avoid problem clubs try find fields allow positioning runway sun fliers back sunrise sunset Normally would think having sun back would open sky full day flying opportunities Kevin Cassidy Northport New York benefit proved become interesting liability Kevin writes want alert model fliers subtle dangerous phenomenon can occur think well protected during lengthy period flying recently treated best RC flying weekend weather periods memory sky crystal-clear blue cloudless virtually no glare since humidity low Cool temperatures light breeze made two days absolutely perfect time test winter-built projects plus yank bank old favorites spent hours field flying site situated such can keep sun behind us times benefit has interesting liability Throughout day fliers subconsciously become sort negative solar collector keeping sun behind generally constant angle Thats comfortable eyes course prescription sunglasses quite dense always thought eyes well protected looking skyward however end day left eye hurt terribly An optics scientist has confirmed suspicion eye sunburned sunlight reflected eye inside surface sunglasses unknowingly held head nearly constant correct angleto capture rearward-entering rays moral story side shade attached glass frame sometimes important lenses themselves Veco Chief Flyaway months ago Id like admit received letter longtime modeler Robert Ford Long Beach California describing slight error made launching control line aircraft stooge some 40 years ago October 1993 21
Edition: Model Aviation - 1993/10
Page Numbers: 17, 18, 19, 20, 21
Senior Slow Motion U Bill Evans inevitable success popularity Slow Motion January 1987 Model Aviation would lead development larger Slow Motion Senior Some time ago Bill Winter has endless thoughts about new models mostly lightweight tail-draggers made mistake telling would like fly Simitar took challenge realizing requirements lightweight ultra-slowflying tail-dragger variant would almost impossible produce After several letters phone calls almost total agree ment issue first Slow Motions took shape Bill Though Winter pushed design Slow Motion has readers magazine responsible push make Senior reality inquiries about larger 60-size Sb Mo four-stroke9 Astro electric 40 60 Okay did Senior Slow Motion has 64-inch span weighs nearly seven pounds Wing area 840 square inches results wing loading under 20 ounces per square foot first Senior powered OS 90 plenty power 120 vertical outstanding Others have powered K&B 61 new K&B 65 Sportster Airworthiness Slow Motion perhaps best explained excerpt Bill Winter letter Something extraordinary happened yesterday hasten share know have ill fly very little flying shaky tentative Ive come depend big slow-flying monsters relatively low power Ive getting ground-shy biggies begun have approach difficulties Yesterday skilled flier named Bernie Steucker picked up quite windy choppy very turbulent near ground field small stand trees along side approach obstacles short trees bushes fence has come over fence get Within 300 feet other side woods wind almost always 900 across runway flew ships gusts eddies threw up tip other made jump dance heavy control corrections constant unpleasant scary crap shoot getting back onto ground being rolled up ball Steucker old Slow Motion him still original 19 asked twice fly first time sort dashed around no problems rather enjoyed felt nothing particular except some kind surprisea tinge second time experience lifetime learned something exciting can say saw light know some airplanes require pretty constant stick work through high-speed turns turns look smooth became aware feel level unpleasantness because making separate necessary inputs three axes sense disappears because machine what call solid Solid planes scarce hens teeth suddenly feel ship precisely tuned stickwhich feels single stickand airplane slaves smoothly instantly stick movement however minute October 1993 17 Senior ready go conventional-looking models Simitar series yet will fly patternand few other maneuvers fascinating feeling because become airplanetransported seems extension ones self Well Steucker muttered no can fly smoothly decently such choppy wind throttled down trimmed handed off nearly full power probably 70 80 mph max trimmed flat suddenly felt supremely confident totally charge did stuff havent done 25 years thing bores through wind does change speed throughout consecutive loops does slow up relax elevator top stays nearly inverted stringlike precision length area first time Steucker asked knew inverted laughed Others cried hey upside down got yelling give up take higher just kept going thought bought farm just went arcing off smooth curves plane follows its flight path remarkable thing barely understand few minutes [then] 76-year-old man doesnt see well shouldnt things flying better time life better could fly pattern What sensed vividly really well-coordinated design properly trimmed used imposes its will pilot Can believe Sticks blend stick plane blend mind what essence soul airplane know always say build tail Tails arent necessary Well notnot type machine Today am thinking want fly have fun have struggle question build anything else fight feeling after what did yesterday could have admit itI saw light wonder however ever again life will fly anything like under such conditions uncompromised success old Slow Motion easiest airplane have ever flown. Since dont get out often find wind grounds two out three trips big slow jobs slightly larger Sb Mo wise choice since both have soared Sb Mos ask myself what am doing making another Old-Timer Construction Foam cores Senior Slow Motion available Soaring Research 454 Wildrose Lane Bishop CA 93514 Price $20 cores /64 plywood sheeting $18 shipping $7 California residents add sales tax following construction sequence will allow use time best advantage Use aliphatic resin glue pins attach /s leading edge ling edges wing cores careful warp cores Set aside cradles put some weights top hold cores flat Cut fuselage parts making sure clamp wing plate former drilling holes hold-down dowels Draw centerline fuselage top piece mark location firewall former also mark location 18 Model Aviation Stanneck Bishop California John Ludwig Bishop California Bill Thompson Modesto California early prototype version Senior K&B 60-powered Senior roam wing powers Senior 05 90 Design powered K&B 40 cores availablesee text details can handle wide engine range K&B Sportster installationa gooa choice tor senior Wide speed range model will suit pilot Mounting detail 05 engine Note orientation needle valve choke arms visible just below muffler Elevon servo position using electronic mixer transmitter receiver Model very directional 7-LU7. aLU 0 1 11 ________A LU LU - -N N LU 1October 1993 19 Full Size Plans Available-See Page 144 IhOAChAamECtA HotHo Ho HAHO HALT F 1/rmn50I 0u=L,-,A -zz II NI I /I \ LAS ASAWAK 9ENIOILt1QIOTION ATMAAS firewall former inside fuselage side Start re aft edge firewall pin down fuselage top following curve shown plans Pin down second re top use centerline measure match curve first longeron Use cyanoacrylate CyA glue attach both square longerons fuselage top run glue inside edge Pin left fuselage side top longeron set firewall former square CyA side firewall former assembly Pin right side place check squareness aft end clamp pin CyA side assembly Install cowl cheeks bottom longeronssand flush install front bottom rear bottom fuselage pieces Final-sand cover fuselage cut attach hatch install engine mount servos radio etc Fuselage construction now complete Cut sand fin rudder shape Epoxy fin fuselage use Evans X-Hinge attach rudder fin fuselage Trim sand leading trailing edges flush cores sheeting will fit nicely over Attach sheeting cores used corefilm Glue pin /s leading edge cap set aside dry Sand leading edge shapekeep top steep bottom fairly flat Install tip plates Use 5-minute epoxy join wing panels place piece two-inch masking tape upside-down workbench put panels epoxy down tape pull tape around joint block up tips dihedral pin let epoxy set Continued page 21 Type RC Sport Wingspan 64 inches Recommended motor size/type 60 two-stroke 90120 four-stroke geared 40-60 Electric Number Channels Three Expected Flying weight Approx 7 lbs Construction Foam-core wing plywood skin sheet balasa fuselage rudder 20 Model Aviation ove Joe Price Peotone IL Astre 40-powered Electric Senior Right Hatch has removed battery access Sr Slow MotionlEvans Continued page 20 Trim sand elevons shape fit attach wing again used X Hinge seals gaps goes easy lasts forever Set wing place fuselage mark cut ood mounting plate Use epoxy install Add holddown blocks drill tap 10-32 nylon boltsInstall elevon servos Remember rig elevons about 1/ inch up trim neutral provide necessary reflex Simitar series Throws quarter inch up down left right adequate Right performance Typical Simitar series no stall wide speed range again very directional half power less its docile anyone can handle fly full power will pattern some maneuvers arent book model handles like other superior performance Come join Siniltar pilots fly 21st century tylShaw Continued page 6 members packed up gone home leaving myself other flier field Luckily wife daughter also elected take emergency room friend packed up stuff brought home planes suffered minor mishap wind blew off table broke needle valve flush housing After few expletives put up got Anniversary Cub out fueled up took off trying show friend low slow would fly caught wheels grass stuck nose ground breaking cowling bazillion pieces van went About now something should have told time give up go home Did Naw Like sd stuff happens other guy Okay last chance out comes Bridi Trainer Ha Ha Trainer foot thing rocket will 2765 rolls second Well okay maybe 1765 will lomcevak faster aerobatic airplanes rate very light fast maneuverable airplane equipped Webra 40 Schnuerle engine 10 x 6 propeller responds instantly engines commands bad habits Ive developed over years sitting down front airplane start Another messing radio sitting Yet another waiting someone assist holding moving airplane after its running Quite list dumb habits aint Well get meat pun incident sitting front plane started engine removed gb-plug battery moving radio off side could get up take airplane runway Something still dont know what hit throttle control moving full position plane did exactly what told went wide open jumping foot half distance between us about half instant remember ugly sound propellers make chew up fingers blender effect Fortunately engine died didnt get anything else eat grabbed clean rag wrapped hand afraid look see anything left now completely numb hand What damages lost end thumb whole left side index finger tip first knuckle cut right side same finger went bone chipped end middle finger went away ring finger cut diagonally through nail nail bed left side doctor took some skin meat just above elbow rebuild index middle fingers sewed other fingers back together Right now look like have hand full marshmallows what bandages tape So say what have learned Well picked up several things 1Never start airplane some means restraining airplaneeither person hold some sort mechanical restraint 2Never sit down front running engine 3Never never fly model airplanes yourself Always have someone go 4Always use plastic carbon fiber glass- filled nylon propellers dull edges rebalance As come factory will cut like very sharp knives am sure other things should brought out about safe model operation now should keep having pay another visit emergency room time soon As James pointed out its unfortunate modelers continue injure themselves ways preventable mail receive month two letters something went prop stories continue hold lead Folks know props dangerous however injuries plentiful complacency continues abound Whats solution Can injuries reduced Sure know can truly try us actively concerned modeler part practice safety approach Offer helping hand needed influence around teaching sound safety practices fingers save may own Sun spots have no doubt us familiar what happens vision after weve accidentally stared sun moment aircraft flies through havent pleasure can best described initially painful sensation followed bright dots remaining center field vision brief period time Since forward vision can temporarily blocked sun spots real potential aircraft demise exists unless fellow niodeler available temporarily take controls avoid problem clubs try find fields allow positioning runway sun fliers back sunrise sunset Normally would think having sun back would open sky full day flying opportunities Kevin Cassidy Northport New York benefit proved become interesting liability Kevin writes want alert model fliers subtle dangerous phenomenon can occur think well protected during lengthy period flying recently treated best RC flying weekend weather periods memory sky crystal-clear blue cloudless virtually no glare since humidity low Cool temperatures light breeze made two days absolutely perfect time test winter-built projects plus yank bank old favorites spent hours field flying site situated such can keep sun behind us times benefit has interesting liability Throughout day fliers subconsciously become sort negative solar collector keeping sun behind generally constant angle Thats comfortable eyes course prescription sunglasses quite dense always thought eyes well protected looking skyward however end day left eye hurt terribly An optics scientist has confirmed suspicion eye sunburned sunlight reflected eye inside surface sunglasses unknowingly held head nearly constant correct angleto capture rearward-entering rays moral story side shade attached glass frame sometimes important lenses themselves Veco Chief Flyaway months ago Id like admit received letter longtime modeler Robert Ford Long Beach California describing slight error made launching control line aircraft stooge some 40 years ago October 1993 21